Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbc34084041e2ef2…

MALICIOUS

PDF

15.3 KB Created: 2020-03-18 16:38:17 +00:00 Authoring application: mPDF 5.7
MD5: 8b84b588b741440bcccd831b3b13216d SHA-1: 03aaf2260f7104017c6ed55ae44c1f82d1987246 SHA-256: fbc34084041e2ef2a1ad6acc67e13ed1dffbd03af8fa95a2faf774daf78ebabc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. The ML_NYX_PDF_MALICIOUS heuristic also flagged this document with high confidence. The primary attack pattern involves luring the user to click these links, which likely lead to further malicious content or phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://hicsniso.myhome.cx/6e51e56e54e54e50/Con-Chim-Kh-t-T-Cormoran-Strike-1-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/3e56e58e51e52e50/The-Silkworm-Cormoran-Strike-2-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/3e51e58e56e59e50/The-Silkworm-Cormoran-Strike-2-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/8e57e56e57/Lethal-White-Cormoran-Strike-4-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/1e57e59e59/Career-of-Evil-Cormoran-Strike-3-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/7e53e52e51e53e56/The-Cuckoo-s-Calling-Cormoran-Strike-Book-1-by-Robert-Galbraith.pdf
    • http://hicsniso.myhome.cx/7e53e55e54e53e54/The-Wheel-of-Time-Reread-Redux-The-Strike-at-Shayol-Ghul-by-Robert-Jordan.pdf
    • http://hicsniso.myhome.cx/7e56e51e53e57e56/Priest-in-Deep-Water-Charles-Plomer-Hopkins-amp-the-1911-Seamen-s-Strike-by-Robert-W-H-Miller.pdf
    • http://hicsniso.myhome.cx/9e57e56e51e56e50/Bay-tr-n-t-chim-c-c-cu-by-Ken-Kesey.pdf
    • http://hicsniso.myhome.cx/7e54e52e55e59e59/M-T-Tr-N-Ong-Nam-a-Chi-N-D-Ch-Ma-Lai-Chi-N-D-Ch-Nem-Bom-Ong-Nam-a-1944-1945-Anh-Chim-Prince-of-Wales-Va-Repulse-Tr-N-Singapore-by-Ngu-N-Wikipedia.pdf
    • http://hicsniso.myhome.cx/7e51e53e50e58e50/L-le-du-cormoran-blanc-by-Alain-Beauchemin.pdf
    • http://hicsniso.myhome.cx/1e56e55e54e51e51/Strike-Back-Strike-Back-1-by-Chris-Ryan.pdf
    • http://hicsniso.myhome.cx/1e59e56e52e57e53/Where-Is-Baby-by-Kathryn-O-Galbraith.pdf
    • http://hicsniso.myhome.cx/6e53e56e59e53e56/Incorrigible-Kids-by-Richard-Galbraith.pdf
    • http://hicsniso.myhome.cx/4e57e57e55e53e55/The-Scotch-by-John-Kenneth-Galbraith.pdf
    • http://hicsniso.myhome.cx/4e56e55e58e55e59/Stable-Ground-The-Riding-Series-1-by-Julie-Galbraith.pdf
    • http://hicsniso.myhome.cx/4e52e55e55e54e56/First-Strike-by-Christopher-G-Nuttall.pdf
    • http://hicsniso.myhome.cx/4e56e58e54e56e58/On-Strike-Against-God-by-Joanna-Russ.pdf
    • http://hicsniso.myhome.cx/1e56e55e54e53/Strike-Three-You-re-Dead-by-R-D-Rosen.pdf
    • http://hicsniso.myhome.cx/1e53e55e55e58e59/Meteorite-Strike-Superhumans-1-by-A-G-Taylor.pdf

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